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Routing method of wireless ad hoc network

A wireless ad-hoc network and routing technology, applied in the network field, can solve problems such as the inability to effectively prevent routing black holes, achieve the effect of small modification, avoid routing black holes, and secure data transmission

Inactive Publication Date: 2012-01-25
NANJING UNIV OF INFORMATION SCI & TECH
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  • Abstract
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to overcome the security problems caused by the routing black hole that cannot be effectively prevented by the existing wireless ad hoc network routing method, and provide a wireless ad hoc network routing method, which can effectively prevent routing black hole

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  • Routing method of wireless ad hoc network
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  • Routing method of wireless ad hoc network

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Embodiment Construction

[0026] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:

[0027] The idea of ​​the present invention is to improve the existing AODV protocol (for convenience, the routing method of the present invention is abbreviated as GAODV): the source node sending data will not send data, but first send a detection packet and ask the destination node to respond. If the destination node receives a response, then it is considered that there is no routing black hole on this path, and the data is sent; if the sending node does not receive the destination node. Response, Then give up this route and choose another route again. In order to realize the above-mentioned solution, the present invention adds the route detection data packet TEST after the route is connected and the TEST_ACK of the destination node answering TEST on the basis of the original data packet types of AODV HELLO, RREQ, RREP, RERR, RREP_ACK, and malicious no...

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Abstract

The invention relates to a routing method of a wireless ad hoc network and belongs to the technical field of networks. According to the routing method, the existing AODV (Ad hoc On-Demand Distance Vector Routing) protocol is improved, and the routing method comprises the following steps of: firstly, sending an explorer packet rather than data after a source node for sending data receives rout response grouping of other intermediate nodes of a non-destination node, requiring the response of a destination node, if the response of the destination node is received, considering that no routing black hole exists on the route, and then sending data; and if the sending node does not receive the response of the destination node, giving up the route and reselecting other routes. In the invention, only by simply modifying the AODV protocol, the purpose of preventing the attack of the conventional route black hole in the wireless ad hoc network can be realized, and the safety of the wireless ad hoc network can be improved.

Description

technical field [0001] The invention relates to a network routing method, in particular to a wireless ad hoc network routing method, which can prevent routing black holes in the wireless ad hoc network, and belongs to the technical field of networks. Background technique [0002] Mobile Ad Hoc network (also known as wireless ad hoc network) is a new type of wireless mobile network. In the Ad Hoc network, a node is not only a host, but also a small router that can forward information. With the wide application of Ad hoc network, related researches are also increasing, but most of the researches are concentrated on the key technology of multi-hop routing, and the security of Ad hoc network is not considered much in the research process. [0003] AODV (Ad Hoc on Demand Distance Vector) routing protocol is a common on-demand routing protocol in Ad Hoc networks. The AODV routing protocol provides fast adaptation to dynamic link conditions, low processing overhead and storage ove...

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Application Information

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IPC IPC(8): H04W12/12H04W40/02H04W12/122
Inventor 马利陈杰姚永雷焦峰张波
Owner NANJING UNIV OF INFORMATION SCI & TECH
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